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Mar
24
comment About this congruence implication
you mean when $X=0$?, then it's just Fermat's little theorem.
Mar
24
comment About this congruence implication
Thank you so much. The second one was unneccessary, but I was reading it in a paper and they said that that was an implication of both equations. Thank you again
Mar
24
accepted About this congruence implication
Mar
24
asked About this congruence implication
Mar
12
accepted Help visualizing this quotient space
Mar
12
comment Help visualizing this quotient space
I was seeing that cylinder, just wanted to be able to visualize that "wrapping and stretching" a little bit better.
Mar
11
awarded  Custodian
Mar
11
asked Help visualizing this quotient space
Dec
17
awarded  Caucus
Dec
1
awarded  Yearling
Nov
12
reviewed Approve $e^{1/z}$ and Laurent expansion
Sep
30
awarded  Explainer
Jul
2
awarded  Curious
Jun
27
comment Topologies on n-manifolds
Well... by definition of a manifold, any topology of a manifold must the same topology (o equivalent) to the usual topology, as it must be locally homeomorphic to $\mathbb R^n$ with the usual topology.
Jun
25
comment Geodesics of this metric
Ok, I see it. Thank you very much
Jun
25
accepted Geodesics of this metric
Jun
25
comment Geodesics of this metric
Thank you. How do you get from $\ddot x-C^2 /x^3=0$ to the solution $x(t)$?
Jun
25
revised Geodesics of this metric
added 164 characters in body
Jun
25
asked Geodesics of this metric
Jun
24
comment Let $G=\mathbb Z_4 \times \mathbb Z_2$. Find all $H$ subgroups of $G$ of order 2, so that $G / H$ is cyclic.
Oh that was your question... I'm sorry, well We already found all the subgroups of order $2$, now do you hav any problem in computing the quotient groups $G/H$ Checking if it' cyclic is checking if the identity $H$ generates the whole group $G/H$.